US Bridges

S-4-218 over Double Branch

Fair

Anderson County, South Carolina · 7.6MI NE Pendleton · Structure no. 000000000002289

Built
1956
69 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
56 ft
4 main spans
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-218 over Double Branch is a concrete slab carrying S-4-218 over Double Branch in Anderson County, South Carolina. It was built in 1956, so it is 69 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 225 vehicles a day, roughly 6% of them trucks, projected to reach 329 by 2043. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-4-218
CrossesDouble Branch
Location7.6MI NE Pendleton
RouteState Highway 218
CountyAnderson County
StateSouth Carolina
Coordinates34.68991, -82.65738
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length56 ft (17.1 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic329 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-218 over Double Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is S-4-218 over Double Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does S-4-218 over Double Branch carry?

About 225 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-4-218 over Double Branch?

The structure is 56 ft (17.1 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-4-218 over Double Branch?

It is owned by the State Highway Agency.